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← ScienceWhich structural consequence weakens carbon nanotube strength when exposed?
A)Changes in electron delocalization stabilize
B)Amorphous clusters increase stiffness locally
C)Orbital hybridization shifts decrease symmetry
D)Increased sp3 defects promote bond rotation✓
💡 Explanation
Increased sp3 hybridisation defects in the carbon lattice causes localized disruptions of the pi-network structure via rehybridization. This weakens the bonds because it disrupts the continuous delocalization, therefore strength is reduced, rather than improved by different clusters or orbital distributions.
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